{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2025-09-19",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "6f89fa6f-e3ce-4aec-a253-00b100f71aa9",
          "code": "CIS-3-HEXENAL",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=291",
          "code_system": "JECFA EVALUATION",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0"
          ]
        },
        {
          "uuid": "81de43d9-895a-4e8d-9b9a-8a6035901629",
          "code": "6789-80-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=6789-80-6",
          "code_system": "CAS",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0",
            "2b27ee8a-7a6e-4a6e-a7c2-d8976143ae65"
          ]
        },
        {
          "uuid": "548dbf54-e140-4a8a-9f21-fba4329d3cfb",
          "code": "C010463",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67010463",
          "code_system": "MESH",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0"
          ]
        },
        {
          "uuid": "df41b5d2-e352-46ee-95f0-bcfdc3ca1a5f",
          "code": "CIS-3-HEXENAL",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Cis-3-Hexenal",
          "code_system": "WIKIPEDIA",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0"
          ]
        },
        {
          "uuid": "49515df2-d7d5-4b07-affb-a03d744816c4",
          "code": "229-854-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.027.141",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0"
          ]
        },
        {
          "uuid": "a1b5bdf0-32d7-4ac6-bda1-614c83950aa0",
          "code": "643941",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/643941",
          "code_system": "PUBCHEM",
          "references": [
            "0d252cd1-c901-4b34-b753-de879a6a27d0"
          ]
        },
        {
          "uuid": "2ab4e53c-f155-4636-b210-ffb79807a50f",
          "code": "6V54TKA96C",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "dd629d97-26bf-30e8-1a38-d6c30bd9e2aa",
          "code": "23292",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:23292",
          "code_system": "CHEBI",
          "references": [
            "ce5f008c-cf1b-4066-873d-6a92bb2c62ed"
          ]
        },
        {
          "uuid": "aad04df8-a932-29e0-33fb-7847a04f6835",
          "code": "DTXSID30884335",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID30884335",
          "code_system": "EPA CompTox",
          "references": [
            "ce5f008c-cf1b-4066-873d-6a92bb2c62ed"
          ]
        },
        {
          "uuid": "673b2387-8349-a718-6476-212c8c5cbe99",
          "code": "62",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/62/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "89f9a7d4-868a-7547-d4f8-e703de3797bc"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "31233a11-e5e8-4bcc-930d-4de2f9317c2c",
          "name": "(Z)-3-HEXENAL",
          "stdName": "(Z)-3-HEXENAL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "4e3468eb-3a81-4045-adae-4175945ec171",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "5e8fb8c4-caab-46ae-800b-8637d34801a6",
          "name": "(Z)-HEX-3-ENAL",
          "stdName": "(Z)-HEX-3-ENAL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bb263df8-cd0e-4044-b040-73714441c287",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "ee404558-5694-44c5-9d22-db0b4ea6bed1",
          "name": "3-(Z)-HEXENAL",
          "stdName": "3-(Z)-HEXENAL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "4e3468eb-3a81-4045-adae-4175945ec171",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "e4b81b83-4805-4827-896d-bdb13265ac21",
          "name": "3-HEXENAL, (3Z)-",
          "stdName": "3-HEXENAL, (3Z)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "4e3468eb-3a81-4045-adae-4175945ec171",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": true
        },
        {
          "uuid": "f8989a4b-07cb-4fdb-ad9e-d7177b7f4f6e",
          "name": "3-HEXENAL, (Z)-",
          "stdName": "3-HEXENAL, (Z)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "4e3468eb-3a81-4045-adae-4175945ec171",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "90f9c8c6-8fbc-4b50-a16e-7f09b7eaff14",
          "name": "3-HEXENAL, CIS-",
          "stdName": "3-HEXENAL, CIS-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "4e3468eb-3a81-4045-adae-4175945ec171",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "810c78bc-3a10-4763-abff-edff8bd8c6a7",
          "name": "CIS-3-HEXENAL",
          "stdName": "CIS-3-HEXENAL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "61143869-8099-444d-ab1d-3a3ec27bb45d",
            "54caa498-7b57-470b-b806-c5e88a403742",
            "3b8a9631-b94c-4e85-813c-db9741c54eab",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "173b6da5-7fee-43fe-9823-4158b1d723b2",
          "name": "CIS-3-HEXENAL [FHFI]",
          "stdName": "CIS-3-HEXENAL [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3b8a9631-b94c-4e85-813c-db9741c54eab",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "ee54de78-32b0-4f5e-aa85-f0fe002942d6",
          "name": "FEMA NO. 2561",
          "stdName": "FEMA NO. 2561",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3b8a9631-b94c-4e85-813c-db9741c54eab",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        },
        {
          "uuid": "d0b11b18-01cc-43b8-8fc8-7537eed936b5",
          "name": "FEMA NO. 3923, Z-",
          "stdName": "FEMA NO. 3923, Z-",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "457ada89-e438-44ad-92a0-d9701dd12ed3",
            "a328985c-33eb-470b-813c-4c6fb2a36bc2"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "4e3468eb-3a81-4045-adae-4175945ec171",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "a328985c-33eb-470b-813c-4c6fb2a36bc2",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3b8a9631-b94c-4e85-813c-db9741c54eab",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "61143869-8099-444d-ab1d-3a3ec27bb45d",
          "citation": "EAFUS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bb263df8-cd0e-4044-b040-73714441c287",
          "citation": "WIKIPEDIA",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "457ada89-e438-44ad-92a0-d9701dd12ed3",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0d252cd1-c901-4b34-b753-de879a6a27d0",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391127000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4f14d26c-44bc-4343-b73b-cf03086ba818",
          "citation": "SRS import [6V54TKA96C]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=6V54TKA96C",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391127000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "54caa498-7b57-470b-b806-c5e88a403742",
          "citation": "CIS-3-HEXENAL [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "2b27ee8a-7a6e-4a6e-a7c2-d8976143ae65",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "ce5f008c-cf1b-4066-873d-6a92bb2c62ed",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "89f9a7d4-868a-7547-d4f8-e703de3797bc",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "65bbbded-4931-41b4-a08b-c8d63cc2b5c9",
          "id": "65bbbded-4931-41b4-a08b-c8d63cc2b5c9",
          "molfile": "\n  Marvin  01132105182D          \n\n  7  6  0  0  0  0            999 V2000\n    3.1190   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2940   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.8815   -0.2046    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0565   -0.2046    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.6440   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1810   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.5935   -1.6335    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  3  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  6  7  2  0  0  0  0\nM  END",
          "smiles": "CC/C=C\\CC=O",
          "formula": "C6H10O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1997cbb2-ba78-4bad-bf12-5273ce31e5a2"
          },
          "defined_stereo": 0,
          "ez_centers": 1,
          "molecular_weight": "98.1432",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "3c671096-9b78-4c4e-b3ff-38ebe199f853",
      "version": "6",
      "structure": {
        "id": "9235d1ec-d58e-400d-9fdd-df33b8c00e44",
        "molfile": "\n  Marvin  01132107352D          \n\n  7  6  0  0  0  0            999 V2000\n   -0.5935   -1.6335    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1810   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.6440   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0565   -0.2046    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.8815   -0.2046    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2940   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.1190   -0.9190    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
        "smiles": "CC/C=C\\CC=O",
        "formula": "C6H10O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 1,
        "molecular_weight": "98.1432",
        "optical_activity": "NONE",
        "references": [
          "61143869-8099-444d-ab1d-3a3ec27bb45d",
          "4f14d26c-44bc-4343-b73b-cf03086ba818"
        ],
        "stereo_centers": 0
      },
      "unii": "6V54TKA96C"
    }
  ]
}